Umbrella gear housing



FIG. 1 is a top plan view of an umbrella gear housing showing my new design;

FIG. 2 is a front elevational view thereof, showing an umbrella pole in dotted lines for illustrative purposes only;

FIG. 3 is a right side elevational view thereof, the left side being identical thereto;

FIG. 4 is a rear elevational view thereof; and

FIG. 5 is a bottom view thereof. 

The ornamental design for an umbrella gear housing, as shown and described. 